TABLE 3.
Characteristic | All Patients N = 78 |
First Ablation N = 40 |
Prior Failed PVI N = 38 |
P value |
---|---|---|---|---|
Patients mapped | 76 | 38 | 38 | |
Patients with detected sources | 76/76 (100%) | 38/38 (100%) | 38/38 (100%) | 1.0 |
No. patients with sources in LA vs RA | 71/39 | 35/16 | 36/23 | – |
No. concurrent biatrial AF sources/patient | 2.3 ± 0.9 | 2.1 ± 0.8 | 2.4 ± 0.9 | 0.08 |
No. of LA sources/patient | 1.8 ± 0.7 | 1.8 ± 0.6 | 1.9 ± 0.8 | 0.49 |
No. of RA source/patient | 1.1 ± 0.3 | 1.1 ± 0.3 | 1.1 ± 0.3 | 0.96 |
LA/RA sources, as % of total sources | 74.7%/25.3% | 76.8%/23.2% | 73.8%/26.2% | 0.63 |
Total FIRM-ablation time, all sources (min, Mean ± SD) | 16.6 ± 11.7 | 14.7 ± 11.3 | 18.5 ± 11.8 | 0.20 |
AF = atrial fibrillation; LA = left atrium; RA = right atrium.